Magnetic Compass Deviation and Correction 515 Tikopia Island 1:50 000

Tikopia Island 1:50 000

Boating poster - laminated

Although no longer required by some yachting authorities

giving the cruising sailor convenient access to information which serves every day needs

Magnetic Compass Deviation and Correction 515 Tikopia Island 1:50 000In addition to dealing with the properties of magnets and the earths magnetism, three chapters are devoted to the magnetism of the ship, the third explaining in detail the reason for, and composition of, the nine rods. The relation of the components P, Q and R are the rods to the various co efficient are fully explained. The principle of the deflator and a discussion of the limits of accuracy are also included, together with a great deal of hitherto